AU761097B2 - Digital data recording device, digital data memory device, and digital data utilizing device for converting management information which contains restrictive information using a different key in each management information send/receive session - Google Patents

Digital data recording device, digital data memory device, and digital data utilizing device for converting management information which contains restrictive information using a different key in each management information send/receive session Download PDF

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Publication number
AU761097B2
AU761097B2 AU39356/00A AU3935600A AU761097B2 AU 761097 B2 AU761097 B2 AU 761097B2 AU 39356/00 A AU39356/00 A AU 39356/00A AU 3935600 A AU3935600 A AU 3935600A AU 761097 B2 AU761097 B2 AU 761097B2
Authority
AU
Australia
Prior art keywords
digital data
information
key
management information
data
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired
Application number
AU39356/00A
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English (en)
Other versions
AU3935600A (en
Inventor
Shunji Harada
Takatoshi Ono
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Panasonic Holdings Corp
Original Assignee
Matsushita Electric Industrial Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Matsushita Electric Industrial Co Ltd filed Critical Matsushita Electric Industrial Co Ltd
Publication of AU3935600A publication Critical patent/AU3935600A/en
Application granted granted Critical
Publication of AU761097B2 publication Critical patent/AU761097B2/en
Anticipated expiration legal-status Critical
Expired legal-status Critical Current

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Classifications

    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04LTRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L9/00Cryptographic mechanisms or cryptographic arrangements for secret or secure communications; Network security protocols
    • H04L9/30Public key, i.e. encryption algorithm being computationally infeasible to invert or user's encryption keys not requiring secrecy
    • GPHYSICS
    • G11INFORMATION STORAGE
    • G11BINFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B20/00Signal processing not specific to the method of recording or reproducing; Circuits therefor
    • G11B20/00086Circuits for prevention of unauthorised reproduction or copying, e.g. piracy
    • G11B20/0021Circuits for prevention of unauthorised reproduction or copying, e.g. piracy involving encryption or decryption of contents recorded on or reproduced from a record carrier
    • GPHYSICS
    • G11INFORMATION STORAGE
    • G11BINFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B20/00Signal processing not specific to the method of recording or reproducing; Circuits therefor
    • G11B20/00086Circuits for prevention of unauthorised reproduction or copying, e.g. piracy
    • GPHYSICS
    • G11INFORMATION STORAGE
    • G11BINFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B20/00Signal processing not specific to the method of recording or reproducing; Circuits therefor
    • G11B20/00086Circuits for prevention of unauthorised reproduction or copying, e.g. piracy
    • G11B20/00094Circuits for prevention of unauthorised reproduction or copying, e.g. piracy involving measures which result in a restriction to authorised record carriers
    • GPHYSICS
    • G11INFORMATION STORAGE
    • G11BINFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B20/00Signal processing not specific to the method of recording or reproducing; Circuits therefor
    • G11B20/00086Circuits for prevention of unauthorised reproduction or copying, e.g. piracy
    • G11B20/00094Circuits for prevention of unauthorised reproduction or copying, e.g. piracy involving measures which result in a restriction to authorised record carriers
    • G11B20/00115Circuits for prevention of unauthorised reproduction or copying, e.g. piracy involving measures which result in a restriction to authorised record carriers wherein the record carrier stores a unique medium identifier
    • GPHYSICS
    • G11INFORMATION STORAGE
    • G11BINFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B20/00Signal processing not specific to the method of recording or reproducing; Circuits therefor
    • G11B20/00086Circuits for prevention of unauthorised reproduction or copying, e.g. piracy
    • G11B20/0021Circuits for prevention of unauthorised reproduction or copying, e.g. piracy involving encryption or decryption of contents recorded on or reproduced from a record carrier
    • G11B20/00485Circuits for prevention of unauthorised reproduction or copying, e.g. piracy involving encryption or decryption of contents recorded on or reproduced from a record carrier characterised by a specific kind of data which is encrypted and recorded on and/or reproduced from the record carrier
    • G11B20/00492Circuits for prevention of unauthorised reproduction or copying, e.g. piracy involving encryption or decryption of contents recorded on or reproduced from a record carrier characterised by a specific kind of data which is encrypted and recorded on and/or reproduced from the record carrier wherein content or user data is encrypted
    • G11B20/00536Circuits for prevention of unauthorised reproduction or copying, e.g. piracy involving encryption or decryption of contents recorded on or reproduced from a record carrier characterised by a specific kind of data which is encrypted and recorded on and/or reproduced from the record carrier wherein content or user data is encrypted wherein encrypted content data is subjected to a further, iterated encryption, e.g. interwoven encryption
    • GPHYSICS
    • G11INFORMATION STORAGE
    • G11BINFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B20/00Signal processing not specific to the method of recording or reproducing; Circuits therefor
    • G11B20/00086Circuits for prevention of unauthorised reproduction or copying, e.g. piracy
    • G11B20/0021Circuits for prevention of unauthorised reproduction or copying, e.g. piracy involving encryption or decryption of contents recorded on or reproduced from a record carrier
    • G11B20/00485Circuits for prevention of unauthorised reproduction or copying, e.g. piracy involving encryption or decryption of contents recorded on or reproduced from a record carrier characterised by a specific kind of data which is encrypted and recorded on and/or reproduced from the record carrier
    • G11B20/00557Circuits for prevention of unauthorised reproduction or copying, e.g. piracy involving encryption or decryption of contents recorded on or reproduced from a record carrier characterised by a specific kind of data which is encrypted and recorded on and/or reproduced from the record carrier wherein further management data is encrypted, e.g. sector headers, TOC or the lead-in or lead-out areas
    • GPHYSICS
    • G11INFORMATION STORAGE
    • G11BINFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B20/00Signal processing not specific to the method of recording or reproducing; Circuits therefor
    • G11B20/00086Circuits for prevention of unauthorised reproduction or copying, e.g. piracy
    • G11B20/00731Circuits for prevention of unauthorised reproduction or copying, e.g. piracy involving a digital rights management system for enforcing a usage restriction
    • G11B20/0084Circuits for prevention of unauthorised reproduction or copying, e.g. piracy involving a digital rights management system for enforcing a usage restriction wherein the usage restriction can be expressed as a specific time or date
    • GPHYSICS
    • G11INFORMATION STORAGE
    • G11BINFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B20/00Signal processing not specific to the method of recording or reproducing; Circuits therefor
    • G11B20/10Digital recording or reproducing
    • G11B20/10527Audio or video recording; Data buffering arrangements
    • G11B2020/10537Audio or video recording
    • G11B2020/10546Audio or video recording specifically adapted for audio data
    • GPHYSICS
    • G11INFORMATION STORAGE
    • G11BINFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B2220/00Record carriers by type
    • G11B2220/60Solid state media

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Security & Cryptography (AREA)
  • Signal Processing (AREA)
  • Computing Systems (AREA)
  • Theoretical Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Storage Device Security (AREA)
  • Signal Processing For Digital Recording And Reproducing (AREA)
  • Management Or Editing Of Information On Record Carriers (AREA)
AU39356/00A 1999-06-15 2000-06-07 Digital data recording device, digital data memory device, and digital data utilizing device for converting management information which contains restrictive information using a different key in each management information send/receive session Expired AU761097B2 (en)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
JP11-167897 1999-06-15
JP16789799 1999-06-15
JP2000148962A JP3815950B2 (ja) 1999-06-15 2000-05-19 デジタルデータ書込装置、デジタルデータ記録装置、デジタルデータ利用装置
JP2000-148962 2000-05-19

Publications (2)

Publication Number Publication Date
AU3935600A AU3935600A (en) 2000-12-21
AU761097B2 true AU761097B2 (en) 2003-05-29

Family

ID=26491806

Family Applications (1)

Application Number Title Priority Date Filing Date
AU39356/00A Expired AU761097B2 (en) 1999-06-15 2000-06-07 Digital data recording device, digital data memory device, and digital data utilizing device for converting management information which contains restrictive information using a different key in each management information send/receive session

Country Status (8)

Country Link
US (1) US6868404B1 (ja)
EP (1) EP1061515B1 (ja)
JP (1) JP3815950B2 (ja)
KR (1) KR100683342B1 (ja)
CN (1) CN100393027C (ja)
AU (1) AU761097B2 (ja)
ID (1) ID26381A (ja)
MX (1) MXPA00005863A (ja)

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JPH10301492A (ja) 1997-04-23 1998-11-13 Sony Corp 暗号化装置および方法、復号装置および方法、並びに情報処理装置および方法
JP2000236325A (ja) 1999-02-09 2000-08-29 Lg Electronics Inc デジタルデータファイルの暗号化装置及びその方法
JP4595182B2 (ja) * 2000-09-07 2010-12-08 ソニー株式会社 情報記録装置、情報再生装置、情報記録方法、情報再生方法、および情報記録媒体、並びにプログラム提供媒体
MXPA03006362A (es) * 2001-01-17 2004-04-20 Contentguard Holdings Inc Metodo y aparato para administrar derechos de uso de contenido digital.
JP3861625B2 (ja) * 2001-06-13 2006-12-20 ソニー株式会社 データ転送システム、データ転送装置、記録装置、データ転送方法
FI20011397A (fi) 2001-06-29 2002-12-30 Nokia Corp Menetelmä ja järjestely digitaalisen, arvoa omaavan tallenteen varmistamiseksi, järjestelyssä toimiva päätelaite sekä menetelmää hyödyntävä sovellusohjelma
JP2003101570A (ja) * 2001-09-21 2003-04-04 Sony Corp 通信処理システム、通信処理方法、およびサーバー装置、並びにコンピュータ・プログラム
JP3656248B2 (ja) * 2001-10-09 2005-06-08 ソニー株式会社 ビデオ信号記録装置および方法、ビデオ信号再生装置および方法、記録媒体、プログラム、並びにデータ構造
US7372964B2 (en) * 2001-10-10 2008-05-13 Kabushiki Kaisha Toshiba Method and apparatus for recording information including secret information and method and apparatus for reproduction thereof
AU2003226454A1 (en) * 2002-04-11 2003-10-20 Matsushita Electric Industrial Co., Ltd. Information recording medium with information restriction
JP2004070499A (ja) * 2002-08-02 2004-03-04 Fujitsu Ltd メモリデバイスおよび暗号化/復号方法
JP2004303315A (ja) * 2003-03-31 2004-10-28 Funai Electric Co Ltd Dvd機器および所定情報記録方法
WO2005031545A1 (de) * 2003-09-30 2005-04-07 Siemens Aktiengesellschaft Einräumung eines zugriffs auf ein computerbasiertes objekt
US7711957B2 (en) * 2003-09-30 2010-05-04 Siemens Aktiengesellschaft Granting access to a computer-based object
BRPI0418234B1 (pt) * 2004-01-06 2018-04-24 Thomson Licensing Dispositivo, cartão de acesso, dispositivo de destino de informação digital, e métodos para transferir informação
JP2005204134A (ja) * 2004-01-16 2005-07-28 Mitsubishi Electric Corp 耐タンパ暗号システム及びメモリ装置及び認証端末及び及びプログラム
JP4595361B2 (ja) * 2004-03-19 2010-12-08 株式会社日立製作所 コンテンツの記録・再生装置及びシステム
EP1637957A1 (en) * 2004-09-21 2006-03-22 Deutsche Thomson-Brandt Gmbh Method and apparatus for accessing protected data
US7748032B2 (en) * 2004-09-30 2010-06-29 Citrix Systems, Inc. Method and apparatus for associating tickets in a ticket hierarchy
EP2150167B1 (en) 2007-05-10 2014-08-27 Technion Research & Development Foundation Ltd. Semi disposable endoscope
JP4941192B2 (ja) * 2007-09-13 2012-05-30 カシオ計算機株式会社 暗号化処理システム
JP2009163560A (ja) * 2008-01-08 2009-07-23 Hitachi Ltd デジタルデータ記録装置
WO2011064883A1 (ja) * 2009-11-27 2011-06-03 株式会社東芝 メモリチップ
CN102572817B (zh) * 2010-12-21 2015-01-14 普天信息技术研究院有限公司 实现移动通信保密的方法和智能存储卡
JP5725210B2 (ja) 2012-02-03 2015-05-27 富士通株式会社 端末固有情報の送信方法およびシステム
CN104796886B (zh) * 2015-04-01 2016-05-11 努比亚技术有限公司 终端加密通话实时性的测试方法及装置
CN109446752B (zh) * 2018-12-13 2021-07-13 苏州科达科技股份有限公司 版权文件管理方法、系统、设备及存储介质
CN111177768A (zh) * 2020-04-10 2020-05-19 支付宝(杭州)信息技术有限公司 保护数据隐私的双方联合训练业务预测模型的方法和装置
US11816228B2 (en) * 2020-09-25 2023-11-14 Advanced Micro Devices, Inc. Metadata tweak for channel encryption differentiation

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JPH08139718A (ja) * 1994-11-04 1996-05-31 Hitachi Ltd 暗号装置およびそれを利用した端末間通信方法
EP0994475A1 (en) * 1998-10-16 2000-04-19 Matsushita Electric Industrial Co., Ltd. Digital content protection system

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JP3588536B2 (ja) * 1997-07-11 2004-11-10 株式会社東芝 不正データコピー防止装置及び方法
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Also Published As

Publication number Publication date
ID26381A (id) 2000-12-21
JP2001060945A (ja) 2001-03-06
AU3935600A (en) 2000-12-21
KR20010015024A (ko) 2001-02-26
EP1061515B1 (en) 2011-10-26
EP1061515A3 (en) 2002-10-02
CN100393027C (zh) 2008-06-04
MXPA00005863A (es) 2005-04-28
US6868404B1 (en) 2005-03-15
EP1061515A2 (en) 2000-12-20
JP3815950B2 (ja) 2006-08-30
CN1277506A (zh) 2000-12-20
KR100683342B1 (ko) 2007-02-15

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FGA Letters patent sealed or granted (standard patent)
MK14 Patent ceased section 143(a) (annual fees not paid) or expired